org.apache.hadoop.hbase.quotas

Class RegionSizeImpl

java.lang.Object

org.apache.hadoop.hbase.quotas.RegionSizeImpl

All Implemented Interfaces:

HeapSize, RegionSize

@InterfaceAudience.Private
public class RegionSizeImpl
extends Object
implements RegionSize

An object encapsulating a Region's size and whether it's been reported to the master since the value last changed.

Field Summary

Fields

Modifier and Type	Field and Description
private static long	HEAP_SIZE
private static org.slf4j.Logger	LOG
private AtomicLong	size

Constructor Summary

Constructors

Constructor and Description
RegionSizeImpl(long initialSize)

Method Summary

Modifier and Type	Method and Description
long	getSize() Returns the size of the region.
long	heapSize()
RegionSizeImpl	incrementSize(long delta) Atomically adds the provided delta to the region size.
RegionSizeImpl	setSize(long newSize) Updates the size of the Region.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

private static final org.slf4j.Logger LOG

HEAP_SIZE

private static final long HEAP_SIZE

size

private final AtomicLong size

Constructor Detail

RegionSizeImpl

public RegionSizeImpl(long initialSize)

Method Detail

heapSize

public long heapSize()

Specified by:

heapSize in interface HeapSize

Returns:

Approximate 'exclusive deep size' of implementing object. Includes count of payload and hosting object sizings.

setSize

public RegionSizeImpl setSize(long newSize)

Description copied from interface: RegionSize

Updates the size of the Region.

Specified by:

setSize in interface RegionSize

Parameters:

newSize - the new size of the Region

Returns:

this

incrementSize

public RegionSizeImpl incrementSize(long delta)

Description copied from interface: RegionSize

Atomically adds the provided delta to the region size.

Specified by:

incrementSize in interface RegionSize

Parameters:

delta - The change in size in bytes of the region.

Returns:

this

getSize

public long getSize()

Description copied from interface: RegionSize

Returns the size of the region.

Specified by:

getSize in interface RegionSize

Returns:

The size in bytes.